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Plasma display device with heat sink noise reducer

a display device and heat sink technology, applied in the direction of instruments, gas discharge vessels/containers, electrical devices, etc., can solve problems such as noise generation

Inactive Publication Date: 2007-04-19
SAMSUNG SDI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0004] In accordance with the present invention plasma display device is provided in which noise generated from a heat sink is reduced.
[0006] A method of reducing noise generated by a heat sink having heat radiating fins is also provided. Free ends of the heat radiating fins are mounted into engagement grooves of a fixing member such that each of the free ends are fixedly connected with one another.

Problems solved by technology

However, since the IPM and FET produce a substantial amount of heat during operation, the IPM and the FET are provided with heat sinks to dissipate the heat.
That is, the ends of the heat sinks vibrate, thereby generating noise.

Method used

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  • Plasma display device with heat sink noise reducer
  • Plasma display device with heat sink noise reducer
  • Plasma display device with heat sink noise reducer

Examples

Experimental program
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Embodiment Construction

[0027] Referring to FIG. 1, a plasma display device according to the first exemplary embodiment of the present invention includes a PDP 11, a chassis base 17, and printed circuit board assemblies (PBAs) 15. The PDP 11 displays an image using a gas discharge. The chassis base 17 is attached to the rear side of the PDP 11. The PBAs 15 are mounted on the rear side of the chassis base 17, and are electrically connected to the PDP 11.

[0028] A heat dissipation sheet 13 and a double-sided adhesive tape (not shown) are interposed between the rear side of the PDP 11 and the front side of the chassis base 17. The heat dissipation sheet 13 dissipates heat generated by a gas discharge from the PDP in planar directions (x-y direction in FIG. 1).

[0029] The heat dissipation sheet 13 may be made of a heat dissipation material having sufficient thermal conductivity such as acryl, graphite, metal, or carbon nanotubes.

[0030] Since the double-sided adhesive tape attaches the PDP 11 to the chassis ba...

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Abstract

A plasma display device to reduce noise generated from heat sinks. A chassis base is attached to a surface of a plasma display panel. A printed circuit board assembly is mounted to the chassis base at a side opposite to the plasma display panel and connected to the plasma display panel. The print circuit board assembly includes one or more circuit elements. A heat sink having a plurality of fins is attached to the one or more circuit elements. A fixing member connects and fixes free ends of the plurality of fins to one another.

Description

CROSS-REFERENCE TO RELATED APPLICATION [0001] This application claims priority to and the benefit of Korean Patent Application 10-2005-0044020 filed in the Korean Intellectual Property Office on May 25, 2005, the entire content of which is incorporated herein by reference. BACKGROUND OF THE INVENTION [0002] The present invention relates to a plasma display device, and more particularly, to a plasma display device in which noise generated from a heat sink is reduced. [0003] A plasma display device is an apparatus that displays an image on a plasma display panel (PDP) using plasma generated by a gas discharge. A PDP sustain driving board and a PDP scan driving board are provided with an intelligent power module (IPM) and a field effect transistor (FET) to control PDP sustain and scan electrodes. However, since the IPM and FET produce a substantial amount of heat during operation, the IPM and the FET are provided with heat sinks to dissipate the heat. The heat sinks also operate as noi...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G09G3/28
CPCH05K7/20963H01J17/28H05K7/20409H05K7/20472H01J11/34H01J17/16
Inventor JEONG, KWANG-JIN
Owner SAMSUNG SDI CO LTD
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